A free app for Android, by HP Inc.
The HP Print Service Plugin is a free, easy-to-use driver for printing from supported applications on your Android™ device to HP printers. With it, you can print directly to your HP printers from many popular applications, such as OfficeJet, Photosmart, Designjet, Envy, and more.
You can also print directly to a variety of other devices, including iOS devices and macOS computers. The HP Print Service Plugin supports all of the most popular applications on your device, including Google Drive, Dropbox, Evernote, and more.
To install the HP Print Service Plugin on your device, you will need to download it from the Google Play Store. Once you’ve installed it, you can begin using it right away.